Answer:
B.
Step-by-step explanation:
Both sides of equation are the same, making the amount of solutions infinite.
Answer:
number 4 is 87 vertical angles are congruent
I am guessing vectors :)
(-17, 9)
or in polar form
√370, -27°53'50"
B. He increased price of petrol
Answer:
see explanation
Step-by-step explanation:
Given
2z + 4 ≤ - 2 ( subtract 4 from both sides )
2z ≤ - 6 ( divide both sides by 2 )
z ≤ - 3
solution is x ∈ ( - ∞, - 3 ]
The parenthesis on the left means that x cannot equal - ∞
The ] on the right means that x can equal - 3
